Culvert.



H. A. BRGWNELL.

GULVERT.

APPLIUATION FILED AUG. 29, 190s,

@l 29 l @n Patented Ma?. 2, i909.

HENRY A. BROWNELL,

Application flied August 29,

' To all whom it 'may concern:

.one-third of a circle;

Be it known that l, HENRY A.. BROWNELL, l a citizen of the, United States, residing at llint7 county of Genesee, State of Michigan, ,have invented a certain new and useful lmprovement in Culver-ts, and declare the fol lowing to be a full, clear, and exact description of the suine, such as will enable others skilled in lthe art to which it pertains to make end use the same, reference being had to the accompanying drawings, which Jform a part of this specification. l

This invention .relates to culverts; it has for its object an improved construction o culvert adapted to withstand frost, to be easily laid .and to be secure in place.

lin the drawingsr-Figure 1, is .aside elevation of a run, of interlocking culvert sec tiens. Fig. 2, is a cross section.

The culvert run is made with three members, of which the lower member l entends around the lower arcy ofthe assembled run for approximately one-third of circle. Along each edge of the member 1 is a rabbet 6; the top of the rabbet 6 is continuous from end to end of the member.. The inner tube oi the llooroi" the' rshhet also,is continuous from end to end. of the member. rl`here are slots 8 leading down and inclined outward under the lap and along the corner between the floor and the iep of each rabbet. At one end this member is finished to engage within ii collar oi ein adjecent member; this end of the member is 'provided with e pin le; et the other end this member is provided with a collar il) within which the endot' un adjacent member corresponding to the end ll con engage. The coller is provided with e pin hole l5;

preferably' the member is braced I upper members 2 and Sere nier in construction, except that one is e, .ineinben and the other is s lett hand member. The terminati coller portion ot the upper member 3 is seen at 2i in tig. l. The member 2 arches for approximately along itslower edge it seating p ane is provided with a straight Specification of Letters late'nt.

l through the slots 8.- 'edges of the members engages over the adjacent Patented March 2, 1909.

1908. Serial No. 450,883.

adapted'to engage-along the rabbet floor 4, and with projections 7 The meeting up er 2 and 3 are provi ed with alternating overla s or projections 19 and 20, the terminal e ge of each of which ortion of the opach projection 7 posite upper member..

terminates with a bead 17.; the bead preventsn the member 2 from lifting directly.

Whitt l claim is :e-

l. In a culvert, in combinationfvwith 'a lower member provided with rabbeted upper edges and with slots through the outer walls' along the rabbet, interlocking upper members provided with projections along their lower edge, adapted to engage through*v said slots, substantially as described. y

2. In a culvert, in combination with e has@ member provided. with rabbeted edge por- .ing through the same immediatel below a detechab e upper seid rnbbeted portions,

1 edge portlon and member rising from eacl spaced from one another so es to register the slotted portions in the base inemted by engagement therethroug ie same from unintended displacebase member,'sub

with ber, adn to hold t ment with respect to the stantiallyis described.

2. In a culvert, a member end thereof with n collar section and with a in hole throughsnid collar section, and at the other end with a pin ada ted to engage through the pin hole of an a jacent section, substantially us described.

in testimony whereof, i sign this specilication in the resence o? two Witnesses.

l f ENRY A. BROWNELL. Witnesses:

@nantes F. Boeren, Vrnonvrn C. SPRATT.

adapted to engagetions and. with suitably spaced slots extendmeeting thereabove, the meeting ed es oi provided at one 

